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<div class="title">BitcodeParser.cpp</div>  </div>
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<a href="BitcodeParser_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="BitcodeParser_8hpp.html">chi/BitcodeParser.hpp</a>&quot;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="LLVMVersion_8hpp.html">chi/LLVMVersion.hpp</a>&quot;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="Result_8hpp.html">chi/Support/Result.hpp</a>&quot;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#if LLVM_VERSION_LESS_EQUAL(3, 9)</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;llvm/Bitcode/ReaderWriter.h&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;llvm/Bitcode/BitcodeReader.h&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;llvm/IR/Module.h&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;llvm/Support/MemoryBuffer.h&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacechi.html">chi</a> {</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> MemBuffType&gt;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;Result parseBitcodeMemBuff(MemBuffType buff, llvm::LLVMContext&amp; ctx,</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;                           std::unique_ptr&lt;llvm::Module&gt;* toFill) {</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    assert(toFill != <span class="keyword">nullptr</span> &amp;&amp; <span class="stringliteral">&quot;Cannot pass a null toFill pointer to parseBitcodeMemBuff&quot;</span>);</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    Result res;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keyword">auto</span> errorOrMod = <a class="code" href="namespacechi.html#a9c3fbcf4f981b77fca1fe2db6315e341">llvm::parseBitcodeFile</a>(buff, ctx);</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <span class="keywordflow">if</span> (!errorOrMod) {</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        std::vector&lt;std::string&gt; errorMsgs;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#if LLVM_VERSION_AT_LEAST(4, 0)</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        <span class="keyword">auto</span> E = errorOrMod.takeError();</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        llvm::handleAllErrors(std::move(E), [&amp;errorMsgs](llvm::ErrorInfoBase&amp; err) {</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;            errorMsgs.push_back(err.message());</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        });</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to parse generated bitcode.&quot;</span>, {{<span class="stringliteral">&quot;Error Messages&quot;</span>, errorMsgs}});</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    }</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    *toFill =</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#if LLVM_VERSION_LESS_EQUAL(3, 6)</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        std::unique_ptr&lt;llvm::Module&gt;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        std::move</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        (errorOrMod.get());</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;}</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;}  <span class="comment">// namespace</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespacechi.html#a9c3fbcf4f981b77fca1fe2db6315e341">   56</a></span>&#160;<a class="code" href="structchi_1_1Result.html">Result</a> <a class="code" href="namespacechi.html#a9c3fbcf4f981b77fca1fe2db6315e341">parseBitcodeFile</a>(<span class="keyword">const</span> boost::filesystem::path&amp; file, llvm::LLVMContext&amp; ctx,</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                        std::unique_ptr&lt;llvm::Module&gt;* toFill) {</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <a class="code" href="structchi_1_1Result.html">Result</a> res;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="comment">// if all of this is true, then we can read the cache</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keyword">auto</span> bcFileBufferOrError = llvm::MemoryBuffer::getFile(file.string());</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordflow">if</span> (!bcFileBufferOrError) {</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to load LLVM module from disk&quot;</span>, {{<span class="stringliteral">&quot;File&quot;</span>, file.string()}});</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="keywordflow">return</span> parseBitcodeMemBuff(bcFileBufferOrError</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                                   .<span class="keyword">get</span>()</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;#<span class="keywordflow">if</span> LLVM_VERSION_AT_LEAST(3, 6)</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                                   -&gt;getMemBufferRef()</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;#<span class="keywordflow">else</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                                   .<span class="keyword">get</span>()</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;#endif</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                                   ,</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                               ctx, toFill);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;}</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<a class="code" href="structchi_1_1Result.html">Result</a> parseBitcodeString(<span class="keyword">const</span> std::string&amp; bitcode, llvm::LLVMContext&amp; ctx,</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;                          std::unique_ptr&lt;llvm::Module&gt;* toFill) {</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordflow">return</span> parseBitcodeMemBuff(</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;#<span class="keywordflow">if</span> LLVM_VERSION_LESS_EQUAL(3, 5)</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        llvm::MemoryBuffer::getMemBufferCopy</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;#<span class="keywordflow">else</span></div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        llvm::MemoryBufferRef</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;#endif</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        (bitcode, <span class="stringliteral">&quot;generated.bc&quot;</span>),</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        ctx, toFill);</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;}</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;}  <span class="comment">// namespace chi</span></div><div class="ttc" id="BitcodeParser_8hpp_html"><div class="ttname"><a href="BitcodeParser_8hpp.html">BitcodeParser.hpp</a></div></div>
<div class="ttc" id="LLVMVersion_8hpp_html"><div class="ttname"><a href="LLVMVersion_8hpp.html">LLVMVersion.hpp</a></div></div>
<div class="ttc" id="namespacechi_html_a9c3fbcf4f981b77fca1fe2db6315e341"><div class="ttname"><a href="namespacechi.html#a9c3fbcf4f981b77fca1fe2db6315e341">chi::parseBitcodeFile</a></div><div class="ttdeci">Result parseBitcodeFile(const boost::filesystem::path &amp;file, llvm::LLVMContext &amp;ctx, std::unique_ptr&lt; llvm::Module &gt; *toFill)</div><div class="ttdoc">Parse a bitcode file. </div><div class="ttdef"><b>Definition:</b> <a href="BitcodeParser_8cpp_source.html#l00056">BitcodeParser.cpp:56</a></div></div>
<div class="ttc" id="structchi_1_1Result_html_a59ef40f4a327cbdea263d6e4b5af2ad8"><div class="ttname"><a href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">chi::Result::addEntry</a></div><div class="ttdeci">void addEntry(const char *ec, const char *overview, nlohmann::json data)</div><div class="ttdoc">Add a entry to the result, either a warning or an error. </div><div class="ttdef"><b>Definition:</b> <a href="Result_8cpp_source.html#l00052">Result.cpp:52</a></div></div>
<div class="ttc" id="Result_8hpp_html"><div class="ttname"><a href="Result_8hpp.html">Result.hpp</a></div><div class="ttdoc">Defines the Result class and related functions. </div></div>
<div class="ttc" id="namespacechi_html"><div class="ttname"><a href="namespacechi.html">chi</a></div><div class="ttdoc">The namespace where chigraph lives. </div><div class="ttdef"><b>Definition:</b> <a href="BitcodeParser_8hpp_source.html#l00012">BitcodeParser.hpp:12</a></div></div>
<div class="ttc" id="structchi_1_1Result_html"><div class="ttname"><a href="structchi_1_1Result.html">chi::Result</a></div><div class="ttdoc">The result object, used for identifiying errors with good diagnostics. </div><div class="ttdef"><b>Definition:</b> <a href="Result_8hpp_source.html#l00072">Result.hpp:72</a></div></div>
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